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Author Topic: AimTrak-Converting a Namco Recoil Gun  (Read 71617 times)

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RetroACTIVE

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AimTrak-Converting a Namco Recoil Gun
« Reply #80 on: October 01, 2012, 10:17:20 pm »
FYI... Just got half of the PCBs stuffed and have begun putting the kits together.

There are a crap-ton of crimps in this rig... so it takes a bit to get through :/
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #81 on: October 02, 2012, 04:25:22 pm »
thanks kmhamel!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #82 on: October 12, 2012, 07:08:10 am »
Before I asked here for a replacement solenoid I allready ordered this one: http://www.ebay.de/itm/350594884681?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649#ht_1536wt_1163

It wasn't supposed to be in the namco but in a carnevil shotgun. Fact is: This one is a perfectly fitting replacement for the namco gun. Just to let you guys know :)

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #83 on: October 14, 2012, 10:46:14 am »
Man, this project is freakin' awesome!!  :notworthy:

I'm very intrested in your mod but I guess I just missed the train!  :hissy:
If you ever will go for a second run, count me in!

Cheers!
"One coin to rule em' all"

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #84 on: October 14, 2012, 05:42:49 pm »
Can someone help me with hooking up this power supply: http://www.ebay.de/itm/400321344408?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649#ht_3499wt_1365

I can't seem to make it work with my second namco gun. for the first I'm using a prewired power supply from a laptop.

It has connections for L, N (AC), G , V-, V+. I hooked my Euroconnector to L and N. Indicationlamp will light. Where do I have to connect the two wires for the gun to? I thought ground and v+ but that's not giving me 24v. v- and v+ will either short or make the solenoid hum.

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AimTrak-Converting a Namco Recoil Gun
« Reply #85 on: October 14, 2012, 05:50:08 pm »
Can someone help me with hooking up this power supply: http://www.ebay.de/itm/400321344408?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649#ht_3499wt_1365

I can't seem to make it work with my second namco gun. for the first I'm using a prewired power supply from a laptop.

It has connections for L, N (AC), G , V-, V+. I hooked my Euroconnector to L and N. Indicationlamp will light. Where do I have to connect the two wires for the gun to? I thought ground and v+ but that's not giving me 24v. v- and v+ will either short or make the solenoid hum.

Should be V+ and V-
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #86 on: October 14, 2012, 06:10:44 pm »
Tried that. One way I get a hum from the solenoid and it's not triggering. The other way around I get a short on the connector (coaxial).  The solenoid IS working with the other power supply though.

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AimTrak-Converting a Namco Recoil Gun
« Reply #87 on: October 14, 2012, 06:25:43 pm »
Tried that. One way I get a hum from the solenoid and it's not triggering. The other way around I get a short on the connector (coaxial).  The solenoid IS working with the other power supply though.

What is the capacity of the other power supply?  This one is rated at 2A and could be over spec'd... and it may be too weak... or perhaps faulty.
Happy Gaming!

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AW: AimTrak-Converting a Namco Recoil Gun
« Reply #88 on: October 15, 2012, 02:40:17 am »
the other one has 24v and 1.8a. i thought that 24v with 2a are original specs that you gave in the pdf?

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AimTrak-Converting a Namco Recoil Gun
« Reply #89 on: October 15, 2012, 07:25:19 am »
the other one has 24v and 1.8a. i thought that 24v with 2a are original specs that you gave in the pdf?

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Yes 2A is correct... I'm just wondering if there is something wrong with that power supply... either mis-represented or defective.
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #90 on: October 17, 2012, 11:48:04 am »
I just got 2 new power supplys... each at 24v 2a... still hum from both guns when using those. my old power supply works with both guns (24v, 1.8 a)

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #91 on: October 17, 2012, 02:19:11 pm »
I measured the output of all the power supplys. the one that works has a pretty steady 23,7v and 2.2A. The new ones are around 22-24 with jumps into 25-26v and between 2.0 and 2.6A.

I couldn't get a tip102 but got a BDX53C Darlington from the seller. He said it's the same spec. Is it possible that this is the problem? If so... why is one power supply working and the others are not!? Here... that's the darlington I'm using: http://pdf1.alldatasheet.com/datasheet-pdf/view/2594/MOSPEC/BDX53C.html

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AimTrak-Converting a Namco Recoil Gun
« Reply #92 on: October 17, 2012, 10:19:30 pm »
That part should be fine... I don't get it. 

I had a similar problem but it turned out to be a mechanical issue.  One of my solenoids would stick.. when I used a cheap power supply it couldn't drive the solenoid hard enough given the pulse duration provided by the AimTrak... so it took a few triggers to get it going.

Have you tried just connecting the solenoid directly across the power supply to see if it works outside the circuit?
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #93 on: October 18, 2012, 07:24:04 am »
No I didn't. But before I put everything back together I cleaned everything so nothing is sticking. Also, the hum is constant when I connect the power supply and not only when trying to shoot. It's on all my guns like that. Namco blue, Namco pink and my Midway Carnevil with 24v 2A solenoid (that's the perfect match for a Namco).  I just don't want to waste any more money on power supplies that don't seem to work :(

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AimTrak-Converting a Namco Recoil Gun
« Reply #94 on: October 18, 2012, 07:27:22 am »
Is the working supply the same brand\type as the others?
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #95 on: October 18, 2012, 07:39:20 am »
No, it's an LG and I guess it was for a Laptop... got it from a second hand from a spare parts box. This is the other: http://www.ebay.de/itm/24V-Uni-Trafo-Netzteil-fur-LED-Strip-24-Volt-2A-48-Watt-/370515867560?pt=DE_M%C3%B6bel_Wohnen_Lampen_Lichtzubeh%C3%B6r&hash=item56447777a8#ht_3514wt_1139

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #96 on: October 18, 2012, 12:46:40 pm »
When you put the components on the boards, will you install the kick-back diode for those of us that need it? Also, how do you connect the tubing that the wires go through to the gun. I'm thinking that if it attaches firmly, the tubing would be a good strain relief for the usb and power cables.

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #97 on: October 18, 2012, 02:32:40 pm »
When you put the components on the boards, will you install the kick-back diode for those of us that need it? Also, how do you connect the tubing that the wires go through to the gun. I'm thinking that if it attaches firmly, the tubing would be a good strain relief for the usb and power cables.

Yes... I will be putting them on all boards... if you don't need it... just cut it out... or leave it in.

There is a fitting that the tubing connects to and there is a nut on the inside that attaches to that fitting.  In between the metal bracket and the fitting is a nylon washer that is tapered which gives it a real tight fit.... its really very sturdy.
Happy Gaming!

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AW: AimTrak-Converting a Namco Recoil Gun
« Reply #98 on: October 18, 2012, 02:56:22 pm »
whats the diode doing? I didnt install one in my shotgun. everything working though.. .except for the power supplies.

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Re: AW: AimTrak-Converting a Namco Recoil Gun
« Reply #99 on: October 18, 2012, 03:07:09 pm »
whats the diode doing? I didnt install one in my shotgun. everything working though.. .except for the power supplies.

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mmm... you kind of need that diode ... It will prevent the current from rushing back into the transistor when the voltage is removed from the solenoid and damaging the circuit.  Also it must be installed in the proper direction to work (per the schematic).

I would go back and double check all of your circuit wiring to be sure your diodes are in and the polarity of them is correct.
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #100 on: October 18, 2012, 03:20:31 pm »
They are in the namco guns and everything is correct. It's not in my shotgun though - it wasn't made for a solenoid in the first place. So you say I should install one? What specs will I need?

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #101 on: October 18, 2012, 03:35:33 pm »
They are in the namco guns and everything is correct. It's not in my shotgun though - it wasn't made for a solenoid in the first place. So you say I should install one? What specs will I need?

Any general purpose rectifier diode would work... 1N4001-1N4007: http://www.vishay.com/docs/88503/1n4001.pdf
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #102 on: October 18, 2012, 03:42:58 pm »
okay thanks... will go get one and install it... in the meanwhile: any idea about my power supply problem? what could be driving the solenoid and make it hum with one power supply attached but not with the other?

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #103 on: October 18, 2012, 04:15:25 pm »
Well I'm close to give up. I don't know what's the problem and I can't imagine that 3 different power supplies wont work. I don't have enough knowledge of electrics and I'm lost. I don't know which part is actually the problem in the chain... maybe its the transistor or the diode or the power supply or whatever... :(

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AimTrak-Converting a Namco Recoil Gun
« Reply #104 on: October 18, 2012, 04:33:40 pm »
Well I'm close to give up. I don't know what's the problem and I can't imagine that 3 different power supplies wont work. I don't have enough knowledge of electrics and I'm lost. I don't know which part is actually the problem in the chain... maybe its the transistor or the diode or the power supply or whatever... :(

Hey now... No need to give up just yet.  I would double check your wiring on all guns before giving up.

As far as the power supply... Please check the solenoid alone... without the circuitry. It should engage and not hum. If it hums then your power supply(s) are bad.
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #105 on: October 18, 2012, 04:50:42 pm »
Okay, opened up the guns and checked the direction of the diode and it seems as it was wrong. I don't know how this could work with the other power supply but that doesn't matter. So... now the solenoid doesn't hum. BUT it stays engaged. It won't let go.

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AimTrak-Converting a Namco Recoil Gun
« Reply #106 on: October 18, 2012, 05:02:40 pm »
If you just connect the solenoid across the power supply momentarily it should engage and let go when you remove it.

Now if its staying engaged in circuit (with transistor and diode connected) without the AimTrak connected... its likely you have blown the transistor... or it's wired wrong.
« Last Edit: October 18, 2012, 05:04:56 pm by RetroACTIVE »
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #107 on: October 18, 2012, 05:14:06 pm »
Okay. The other gun is still humming. Doublechecked everything. It's huming louder when I touch the solenoid. I didn't install the ground wire - just because it worked without it. Is it necessary?

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AimTrak-Converting a Namco Recoil Gun
« Reply #108 on: October 18, 2012, 05:25:25 pm »
Okay. The other gun is still humming. Doublechecked everything. It's huming louder when I touch the solenoid. I didn't install the ground wire - just because it worked without it. Is it necessary?

Well ground "should" be common so that's why it works without it... The ground line of the pc should be the same as your power supply.... depending upon the design of the power supply it may not be... This can cause weirdness.

That aside, can I get a picture of your wiring?
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #109 on: October 18, 2012, 05:32:18 pm »
Here's what I will do...

I will get new transistors tomorrow. My wiring was exactly like in your description - only without ground wire and I may didn't take a closer look on the diode. I will redo everything from ground up. I just checked both guns solenoids connected directly to the power supply. Both work. Then I checked both guns connected to the transistor. Blue didn't do anything but hum (even more when I connected the aimtrak) when I touched it, pink one would stay back. Does that make any sense to you?

Are you sure that the transistor I used is okay for this use? it's the bdx53c. The guy in the shop said it's identical to the tip102 - I really don't know anything about that stuff :(

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AimTrak-Converting a Namco Recoil Gun
« Reply #110 on: October 18, 2012, 05:54:44 pm »
Here's what I will do...

I will get new transistors tomorrow. My wiring was exactly like in your description - only without ground wire and I may didn't take a closer look on the diode. I will redo everything from ground up. I just checked both guns solenoids connected directly to the power supply. Both work. Then I checked both guns connected to the transistor. Blue didn't do anything but hum (even more when I connected the aimtrak) when I touched it, pink one would stay back. Does that make any sense to you?

Are you sure that the transistor I used is okay for this use? it's the bdx53c. The guy in the shop said it's identical to the tip102 - I really don't know anything about that stuff :(

Ok sounds good...

The BDX53C is an acceptable substitute for the TIP102 and you may also use the FQP33N10 as well.  If you use the 33N10 MOSFET be sure to mind your pin-outs (as it is different).  Be sure you don't allow any of the device to short against metal in the gun. ;)
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #111 on: October 18, 2012, 06:00:30 pm »
I'll get a couple of BDX53C, new resistors and see what will happen. This is driving me nuts as it's the 5th time I'm redoing it. Well at least I learned a lot...

Do you think this power supply should work for two guns, or is it better to connect each gun to it's own power supply? http://www.ebay.de/itm/LED-Strip-Netzteil-Netzgerat-230V-24V-4A-100W-DC-Trafo-/271080223917?pt=DE_M%C3%B6bel_Wohnen_Leuchtmittel&hash=item3f1da3f4ad

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AimTrak-Converting a Namco Recoil Gun
« Reply #112 on: October 18, 2012, 06:10:19 pm »
Yes it's fine, you need 2A per gun.  The Namco design used a single 4A power supply for 2 guns... and this is what I have done on my test rig.
Happy Gaming!

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #113 on: October 18, 2012, 07:19:10 pm »
I'll get all the parts tomorrow and report back. The BDX53C has the exact same pin outs as the tip102 as far as I can see, right?

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AimTrak-Converting a Namco Recoil Gun
« Reply #114 on: October 18, 2012, 07:25:33 pm »
I'll get all the parts tomorrow and report back. The BDX53C has the exact same pin outs as the tip102 as far as I can see, right?

Except I think the collector is also connected to the tab of the package... so this should be insulated.
« Last Edit: October 18, 2012, 08:33:17 pm by RetroACTIVE »
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #115 on: October 18, 2012, 07:33:17 pm »
So  it's better to put the whole transistor into shrink tubing?

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AimTrak-Converting a Namco Recoil Gun
« Reply #116 on: October 18, 2012, 07:56:08 pm »
So  it's better to put the whole transistor into shrink tubing?

I would do that.  As long as the leads don't pinch together inside the shrink tubing.

The way I did it was I trimmed the leads down, soldered wires to them and put heat shrink tubing on each lead, just to be sure nothing would short.
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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #117 on: October 19, 2012, 05:25:37 am »
Yeah I used shrink tubing all over the place :)

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #118 on: October 19, 2012, 06:28:02 am »
redid everything today. new transistor, new resistor. the humming from the gun starts as soon as I connect the aimtrak.

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Re: AimTrak-Converting a Namco Recoil Gun
« Reply #119 on: October 19, 2012, 07:28:23 am »
so now the AimTrak is not beeing recognized when the power supply is on. The transistor will get hot pretty fast and there is no hum from the solenoid. Connecting the solenoid without the transistor and diode to the power supply works. Connecting the power supply with the transistor and the diode does nothing (no hum, no kickback). Aimtrak works without the power supply connected, but wont be recognized with the power supply attached (transistor will heat up).

here are pictures... maybe you find something.

« Last Edit: October 19, 2012, 07:44:49 am by Endprodukt »